S-8077A187 6-32 Shoulder Screws

Shoulder Screws

0545FA00070 Shoulder Screws
0545FA00070 Shoulder Screws

Image may differ from product. See technical specification for details.

Part No.
Part No. 0545FA00070
Equivalent to mcmaster :
8077A187

Basic Information

System of Measurement Inch

Head Parameters

Head Type Socket
Head Diameter 9/32"
Head Height 1/8"
Head Texture Knurled
Socket Head Profile Standard

Dimensions

Shoulder Diameter 5/32"
Shoulder Diameter Tolerance -0.004" to -0.002"
Shoulder Fit Standard
Shoulder Length 7/8"
Shoulder Length Tolerance -0.005" to 0.005"

Thread Parameters

Thread Type UNC
Thread Size 6-32
Thread Diameter 0.138"
Thread Spacing Coarse
Thread Length 3/16"
Thread Direction Right Hand
Thread Fit Class 3A

Tip & Drive Parameters

Drive Style Hex
Drive Size 3/32"

Material & Strength

Material 316 Stainless Steel
Finish Black Oxide
Hardness Rockwell B79
Tensile Strength 70000 psi
Minimum Shear Strength 35000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments and extended service life.
  • Enhanced durability and wear resistance from the Black Oxide finish, providing a protective layer against abrasion.
  • High-strength performance offering 70,000 psi tensile and 35,000 psi shear strength for demanding mechanical applications.
  • Precise and secure assembly ensured by the Class 3A thread fit and UNC coarse threading for reliable engagement.
  • Easy installation and removal with the hex socket drive and knurled head for improved grip and torque application.
  • Accurate component alignment due to the standard shoulder fit and controlled diameter/length tolerances.
  • Compliance with environmental regulations, being RoHS 3 and REACH compliant for safe and sustainable use.

Professional Applications & Engineering Value

This 316 Stainless Steel Shoulder Screw with a Black Oxide finish is engineered to address critical challenges in industrial assemblies, such as pivot points, rotating mechanisms, and spacers. The UNC coarse thread and Class 3A fit provide superior holding power and vibration resistance, reducing the risk of loosening in high-stress environments. Its knurled head and hex drive facilitate quick, tool-friendly installation, while the precise shoulder dimensions ensure consistent alignment and reduced wear on mating parts. Ideal for machinery, automotive, and marine applications, this corrosion-resistant screw delivers long-term reliability and performance, even under extreme conditions.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 3A fit for tight tolerances and reliable threading. Key dimensional accuracies include shoulder diameter tolerance of -0.004" to -0.002" and shoulder length tolerance of -0.005" to 0.005". Manufactured from 316 Stainless Steel with a Black Oxide finish, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental safety and regulatory adherence for industrial use.

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